S92.151 Displaced avulsion fracture (chip fracture) of right talus

Name of the Condition

• Displaced avulsion fracture (chip fracture) of right talus

Summary

A displaced avulsion fracture (chip fracture) of the right talus involves a break in the talus bone where a small fragment of bone is pulled away from the main bone due to ligament or tendon tension. This type of fracture is often caused by trauma and may affect ankle joint stability. The talus is a critical bone in the ankle, and displacement can impact weight-bearing and movement.

Causes

Direct trauma to the ankle, such as falls, sports injuries, or accidents, is the primary cause. High-impact forces or sudden twisting motions can lead to avulsion fractures, particularly in activities involving abrupt stops or changes in direction. The fracture occurs when a ligament or tendon pulls a small piece of bone away from the talus.

Risk Factors

• Participation in high-impact sports (e.g., basketball, soccer) or activities with ankle injury risk.
• Osteoporosis or conditions weakening bone density.
• Previous ankle or talus injuries.
• Improper footwear or inadequate protective gear during physical activities.

Symptoms

• Sudden, severe pain in the ankle or foot.
• Swelling and bruising around the injury site.
• Difficulty bearing weight or walking.
• Limited range of motion in the ankle joint.
• Possible deformity or abnormal positioning of the foot.

Diagnosis

A healthcare provider will perform a physical examination to assess pain, swelling, and mobility. Imaging tests, such as X-rays, CT scans, or MRIs, are typically used to confirm the fracture and evaluate displacement. Documentation should specify the right talus and the avulsion (chip fracture) nature of the injury.

Treatment Options

• Immobilization with casts or splints to allow healing.
• Pain management through medication or other interventions.
• Physical therapy to restore mobility and strength post-healing.
• Surgical intervention may be necessary for severe displacement or unstable fragments.

Prognosis and Follow-Up

Recovery depends on fracture severity and treatment. Most cases heal with immobilization and therapy, but displaced fractures may require surgery. Follow-up imaging and clinical assessments monitor healing and joint function. Long-term outcomes vary based on injury extent and adherence to rehabilitation.

Complications

• Chronic pain or arthritis in the ankle joint.
• Nonunion or malunion of the fracture.
• Nerve or blood vessel damage.
• Reduced mobility or instability in the ankle.

Lifestyle & Prevention

• Wear supportive footwear during physical activities.
• Use protective gear (e.g., ankle braces) in high-risk sports.
• Maintain bone health through proper nutrition and exercise.
• Avoid sudden, high-impact movements that strain the ankle.

When to Seek Professional Help

Seek immediate medical attention if you experience severe ankle pain, inability to bear weight, or visible deformity after an injury. Persistent swelling, bruising, or limited mobility also warrants evaluation by a healthcare provider.

Tips for Medical Coders

Document the right talus and the displaced avulsion (chip fracture) nature of the injury. Ensure clinical notes specify the fracture type and displacement to support accurate coding. Include details on imaging findings and treatment approaches for comprehensive coding.